Arctite Sokolova E V, Yamnova N A, Egorov-Tismenko Y K, Khomyakov A P Doklady Akademii Nauk SSSR 274 (1984) 78-83 The crystal structure of a new phosphate of Na,Ca and Ba: (Na5Ca)Ca6Ba(PO4)6F3 _database_code_amcsd 0012475 14.366 14.366 14.366 28.58 28.58 28.58 R-3m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Na1 .3130 .3130 .7828 5/6 .00521 .00521 .00697 -.00271 -.00243 -.00243 Ca1 .3130 .3130 .7828 1/6 .00521 .00521 .00697 -.00271 -.00243 -.00243 Ca .44308 .44308 .9283 .00535 .00535 .00467 -.00210 -.00223 -.00223 Ba 0 0 0 .00474 .00474 .00474 -.00216 -.00216 -.00216 P1 .67541 .67541 .67541 .00494 .00494 .00494 -.00230 -.00230 -.00230 P2 .20725 .20725 .20725 .00386 .00386 .00386 -.00169 -.00169 -.00169 P3 .08372 .08372 .08372 .00386 .00386 .00386 -.00176 -.00176 -.00176 O1 .1207 .1207 .1207 .01151 .01151 .01151 -.00541 -.00541 -.00541 O2 .1900 .1900 .8345 .00684 .00684 .00210 -.00379 -.00121 -.00121 O3 .1938 .1938 .5445 .00731 .00731 .00514 -.00474 -.00223 -.00223 O4 .2450 .2450 .2450 .01558 .01558 .01558 -.00745 -.00745 -.00745 O5 .3621 .3621 .3621 .00948 .00948 .00948 -.00453 -.00453 -.00453 O6 .3146 .3146 .9599 .00968 .00968 .00304 -.00406 -.00203 -.00203 F1 .5 .5 .5 .00474 .00474 .00474 -.00216 -.00216 -.00216 F2 .42926 .42926 .42926 .00860 .00867 .00860 -.00406 -.00406 -.00406